SE424472B - DEVICE FOR PHOTOELECTRICALLY DETERMINING THE DOCTRINE OF A SHARP PLAN FOR AN IMAGE - Google Patents

DEVICE FOR PHOTOELECTRICALLY DETERMINING THE DOCTRINE OF A SHARP PLAN FOR AN IMAGE

Info

Publication number
SE424472B
SE424472B SE7514410A SE7514410A SE424472B SE 424472 B SE424472 B SE 424472B SE 7514410 A SE7514410 A SE 7514410A SE 7514410 A SE7514410 A SE 7514410A SE 424472 B SE424472 B SE 424472B
Authority
SE
Sweden
Prior art keywords
doctrine
sharp
plan
image
photoelectrically
Prior art date
Application number
SE7514410A
Other languages
Swedish (sv)
Other versions
SE7514410L (en
Inventor
H Schmidt
K Heitmann
E Schneider
W Mandler
Original Assignee
Leitz Ernst Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of SE7514410L publication Critical patent/SE7514410L/en
Publication of SE424472B publication Critical patent/SE424472B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Automatic Focus Adjustment (AREA)
  • Eye Examination Apparatus (AREA)
  • Measurement Of Optical Distance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE7514410A 1974-12-21 1975-12-18 DEVICE FOR PHOTOELECTRICALLY DETERMINING THE DOCTRINE OF A SHARP PLAN FOR AN IMAGE SE424472B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2460805A DE2460805C2 (en) 1974-12-21 1974-12-21 Optical rangefinder

Publications (2)

Publication Number Publication Date
SE7514410L SE7514410L (en) 1976-06-22
SE424472B true SE424472B (en) 1982-07-19

Family

ID=5934218

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7514410A SE424472B (en) 1974-12-21 1975-12-18 DEVICE FOR PHOTOELECTRICALLY DETERMINING THE DOCTRINE OF A SHARP PLAN FOR AN IMAGE

Country Status (9)

Country Link
US (1) US4037958A (en)
CA (1) CA1036403A (en)
CH (1) CH609453A5 (en)
DE (1) DE2460805C2 (en)
FR (1) FR2295443A2 (en)
GB (1) GB1510807A (en)
IT (1) IT1052720B (en)
NL (1) NL7514326A (en)
SE (1) SE424472B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2637284C3 (en) * 1976-08-19 1980-02-14 Ernst Leitz Wetzlar Gmbh, 6300 Lahn- Wetzlar Methods and arrangements for automatic parallax determination
US4269512A (en) * 1979-02-21 1981-05-26 Nosler John C Electro-optical position-monitoring apparatus with tracking detector
DE3009535A1 (en) * 1980-03-12 1981-09-17 Siemens Ag OPTICAL MODULE FOR AN OPTOELECTRONIC DISTANCE METER
DE3039425A1 (en) * 1980-10-18 1982-05-19 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar DEVICE FOR PHOTOELECTRICALLY DETERMINING THE POSITION OF AT LEAST ONE FOCUS OF AN IMAGE
JPS57128810A (en) * 1981-02-03 1982-08-10 Olympus Optical Co Ltd Distance measuring device
DE3219503C2 (en) * 1982-05-25 1985-08-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Device for automatic focusing on objects to be viewed in optical devices
JPS58207013A (en) * 1982-05-25 1983-12-02 Olympus Optical Co Ltd Focusing detecting method
DD234340A3 (en) * 1984-05-02 1986-04-02 Zeiss Jena Veb Carl AUTOMATIC FOCUSING DEVICE
IT1201256B (en) * 1985-03-19 1989-01-27 Consiglio Nazionale Ricerche IMPROVEMENT IN THE AUTOMATIC FOCUSING DEVICES OF OPTICAL SYSTEMS, IN PARTICULAR MICROSPOPES AND TOOLS FOR THE ELECTRONIC ACQUISITION OF MICROSCOPIC IMAGES
DE3537782A1 (en) * 1985-10-24 1987-04-30 Leitz Ernst Gmbh SCAN GRID FOR A SHARPENING DETECTOR
US4808807A (en) * 1986-12-04 1989-02-28 General Signal Corp. Optical focus sensor system
FR2726496B1 (en) * 1994-11-09 1997-01-17 Aerospatiale METHOD FOR SPATIAL LOCATION OF THE FOCAL POINT OF A LASER BEAM OF A MACHINERY AND TOOLING FOR CARRYING OUT THIS METHOD

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347129A (en) * 1964-10-29 1967-10-17 Wilhelm J Lohninger Photoelectric range finder
GB1249302A (en) * 1968-01-16 1971-10-13 Secr Defence Improvements in or relating to optical beam splitter devices and apparatus
DE2003492A1 (en) * 1970-01-27 1971-08-12 Leitz Ernst Gmbh Measuring method for step encoders for measuring lengths or angles as well as arrangements for carrying out this measuring method
DE2156617C3 (en) * 1971-11-15 1980-08-21 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Device for determining the position of the plane of maximum amplitude of a spatial frequency, for example in the case of a range finder
AT353497B (en) * 1972-05-23 1979-11-12 Leitz Ernst Gmbh DEVICE ON MICROSCOPES FOR AUTOMATIC FOCUSING OF THE DEVICE ON DIFFERENT OBJECT LEVELS

Also Published As

Publication number Publication date
GB1510807A (en) 1978-05-17
DE2460805A1 (en) 1976-06-24
CA1036403A (en) 1978-08-15
IT1052720B (en) 1981-07-20
FR2295443A2 (en) 1976-07-16
NL7514326A (en) 1976-06-23
SE7514410L (en) 1976-06-22
FR2295443B2 (en) 1979-05-11
CH609453A5 (en) 1979-02-28
DE2460805C2 (en) 1983-01-27
US4037958A (en) 1977-07-26

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